The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9630228 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 25, 2017

Filed:

Jan. 14, 2013
Applicant:

Paul Barry Riches, Paxton, MA (US);

Inventor:

Paul Barry Riches, Paxton, MA (US);

Assignee:

PRIMETALS TECHNOLOGIES USA LLC, Alpharetta, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 37/46 (2006.01); B21B 39/02 (2006.01); B21B 1/46 (2006.01); B21B 39/08 (2006.01);
U.S. Cl.
CPC ...
B21B 39/02 (2013.01); B21B 37/46 (2013.01); B21B 1/463 (2013.01); B21B 39/084 (2013.01); B21B 2275/02 (2013.01); B21B 2275/04 (2013.01);
Abstract

A system for maintaining a continuous speed in a long rolling mill is provided that includes a plurality of guide rollers that feed a billet product from a caster to an entry roll stand along a mill pass line to an exit roll stand. Also, the system includes a plurality of gauges positioned at a plurality of locations along the mill pass line, the gauges perform speed measurement of the billet product passing along the guide rollers. Furthermore, the system includes a logic controller that receives the speed measurement and maintains a speed relationship where the speed between the caster and the entry roll stand is constant as well as the exit speed of the end roll stand is also constant.


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